.nav {

}

#spot3 {
  position: absolute; 
  bottom: 50px; 
  left: 50px; 
  width: 84px; 
  height: 79px; 
  z-index: 100;
}

#spot3 .lnk {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  display:block; 
  background: transparent url(join_fashion.png) no-repeat left top;
}

#spot3 #lnk21:hover {
  background-position: -84px 0px;
}
